1071918241 has 2 divisors, whose sum is σ = 1071918242. Its totient is φ = 1071918240.

The previous prime is 1071918181. The next prime is 1071918259. The reversal of 1071918241 is 1428191701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1070663841 + 1254400 = 32721^2 + 1120^2 .

It is a cyclic number.

It is not a de Polignac number, because 1071918241 - 2¹¹ = 1071916193 is a prime.

It is a super-2 number, since 2×1071918241² = 2298017430777068162, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1071918197 and 1071918206.

It is not a weakly prime, because it can be changed into another prime (1071910241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535959120 + 535959121.

It is an arithmetic number, because the mean of its divisors is an integer number (535959121).

Almost surely, 2^1071918241 is an apocalyptic number.

It is an amenable number.

1071918241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1071918241 is an equidigital number, since it uses as much as digits as its factorization.

1071918241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 34.

The square root of 1071918241 is about 32740.1625072326. The cubic root of 1071918241 is about 1023.4199700889.

The spelling of 1071918241 in words is "one billion, seventy-one million, nine hundred eighteen thousand, two hundred forty-one".